These two Bridge Track Sets include two inclines and two bridge supports. These sets add a whole new dimension to your track: entrance to a second layer or height! These track pieces have engraved "railroad ties" for realism, and is made in Vermont of New England rock maple. All NameTrain and track items are compatible with similar wooden track systems of other companies. Length and height dimensions sometimes vary between brand but that doesn't diminish their ability to interconnect and make really fun layouts! For ages three and up.